
<template>
    <div class="app">
      <div id="loader-wrapper">
        <div id="loader"></div>
        <div class="loader-section section-left"></div>
        <div class="loader-section section-right"></div>
        <div class="load_title">
          首次加载比较慢，请耐心等待...
          <br />
          <!-- 这里使用了vue-count-to插件 -->
          <countTo :startVal="0" :endVal="num" :duration="ms" :suffix="'%'" />
        </div>
      </div>
    </div>
  </template>
   
   
  <script>
  export default {
    data() {
      return {
        num: 100,
        id: "",
        ms:2000,
      };
    },
    watch: {},
    created() {
      var that = this;
      if (process.client) {
        that.getID();
      }
    },
    methods: {
      getID() {
        this.id = localStorage.getItem("num");
        if (this.id == 1) {
          this.ms = 8000;
        } else if (this.id == 2) {
          this.ms = 3000;
        } else {
          this.ms = 10000;
        }
      },
      start() {},
      finish() {},
      open() {
        this.$message.error("页面加载错误，请刷新");
      },
      fail() {
        this.open();
      },
      increase(num) {
      },
    },
    mounted() {
      this.$nextTick(() => {
        this.$nuxt.$loading.start();
        this.$nuxt.$loading.finish();
      });
    },
  };
  </script>
   
   
  <style lang="scss" scoped>
  html,
  body,
  .app {
    height: 100%;
    margin: 0px;
    padding: 0px;
  }
  .chromeframe {
    margin: 0.2em 0;
    background: #ccc;
    color: #000;
    padding: 0.2em 0;
  }
   
  #loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
  }
   
  #loader {
    display: block;
    position: relative;
    left: 50%;
    top: 50%;
    width: 150px;
    height: 150px;
    margin: -75px 0 0 -75px;
    border-radius: 50%;
    border: 3px solid transparent;
    /* COLOR 1 */
    border-top-color: #fff;
    -webkit-animation: spin 2s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    -ms-animation: spin 2s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    -moz-animation: spin 2s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    -o-animation: spin 2s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    animation: spin 2s linear infinite;
    /* Chrome, Firefox 16+, IE 10+, Opera */
    z-index: 1001;
  }
   
  #loader:before {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 50%;
    border: 3px solid transparent;
    /* COLOR 2 */
    border-top-color: #fff;
    -webkit-animation: spin 3s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    -moz-animation: spin 3s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    -o-animation: spin 3s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    -ms-animation: spin 3s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    animation: spin 3s linear infinite;
    /* Chrome, Firefox 16+, IE 10+, Opera */
  }
   
  #loader:after {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #fff;
    /* COLOR 3 */
    -moz-animation: spin 1.5s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    -o-animation: spin 1.5s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    -ms-animation: spin 1.5s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    -webkit-animation: spin 1.5s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    animation: spin 1.5s linear infinite;
    /* Chrome, Firefox 16+, IE 10+, Opera */
  }
   
  @-webkit-keyframes spin {
    0% {
      -webkit-transform: rotate(0deg);
      /* Chrome, Opera 15+, Safari 3.1+ */
      -ms-transform: rotate(0deg);
      /* IE 9 */
      transform: rotate(0deg);
      /* Firefox 16+, IE 10+, Opera */
    }
    100% {
      -webkit-transform: rotate(360deg);
      /* Chrome, Opera 15+, Safari 3.1+ */
      -ms-transform: rotate(360deg);
      /* IE 9 */
      transform: rotate(360deg);
      /* Firefox 16+, IE 10+, Opera */
    }
  }
   
  @keyframes spin {
    0% {
      -webkit-transform: rotate(0deg);
      /* Chrome, Opera 15+, Safari 3.1+ */
      -ms-transform: rotate(0deg);
      /* IE 9 */
      transform: rotate(0deg);
      /* Firefox 16+, IE 10+, Opera */
    }
    100% {
      -webkit-transform: rotate(360deg);
      /* Chrome, Opera 15+, Safari 3.1+ */
      -ms-transform: rotate(360deg);
      /* IE 9 */
      transform: rotate(360deg);
      /* Firefox 16+, IE 10+, Opera */
    }
  }
   
  #loader-wrapper .loader-section {
    position: fixed;
    top: 0;
    width: 51%;
    height: 100%;
    background: #7171c6;
    /* Old browsers */
    z-index: 1000;
    -webkit-transform: translateX(0);
    /* Chrome, Opera 15+, Safari 3.1+ */
    -ms-transform: translateX(0);
    /* IE 9 */
    transform: translateX(0);
    /* Firefox 16+, IE 10+, Opera */
  }
   
  #loader-wrapper .loader-section.section-left {
    left: 0;
  }
   
  #loader-wrapper .loader-section.section-right {
    right: 0;
  }
   
  /* Loaded */
   
  .loaded #loader-wrapper .loader-section.section-left {
    -webkit-transform: translateX(-100%);
    /* Chrome, Opera 15+, Safari 3.1+ */
    -ms-transform: translateX(-100%);
    /* IE 9 */
    transform: translateX(-100%);
    /* Firefox 16+, IE 10+, Opera */
    -webkit-transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
    transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  }
   
  .loaded #loader-wrapper .loader-section.section-right {
    -webkit-transform: translateX(100%);
    /* Chrome, Opera 15+, Safari 3.1+ */
    -ms-transform: translateX(100%);
    /* IE 9 */
    transform: translateX(100%);
    /* Firefox 16+, IE 10+, Opera */
    -webkit-transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
    transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  }
   
  .loaded #loader {
    opacity: 0;
    -webkit-transition: all 0.3s ease-out;
    transition: all 0.3s ease-out;
  }
   
  .loaded #loader-wrapper {
    visibility: hidden;
    -webkit-transform: translateY(-100%);
    /* Chrome, Opera 15+, Safari 3.1+ */
    -ms-transform: translateY(-100%);
    /* IE 9 */
    transform: translateY(-100%);
    /* Firefox 16+, IE 10+, Opera */
    -webkit-transition: all 0.3s 1s ease-out;
    transition: all 0.3s 1s ease-out;
  }
   
  /* JavaScript Turned Off */
   
  .no-js #loader-wrapper {
    // display: none;
  }
   
  .no-js h1 {
    color: #222222;
  }
   
  #loader-wrapper .load_title {
    font-family: "Open Sans";
    color: #fff;
    font-size: 19px;
    width: 100%;
    text-align: center;
    z-index: 9999999999999;
    position: absolute;
    top: 60%;
    opacity: 1;
    line-height: 30px;
  }
   
  #loader-wrapper .load_title span {
    font-weight: normal;
    font-style: italic;
    font-size: 13px;
    color: #fff;
    opacity: 0.5;
  }
  </style>
 